import auth from '@/plugins/auth'
import router, {constantRoutes, dynamicRoutes} from '@/router'
import {getRouters} from '@/api/menu'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'
import InnerLink from '@/layout/components/InnerLink'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore(
    'permission',
    {
        state: () => ({
            routes: [],
            addRoutes: [],
            defaultRoutes: [],
            topbarRouters: [],
            sidebarRouters: []
        }),
        actions: {
            setRoutes(routes) {
                this.addRoutes = routes
                this.routes = constantRoutes.concat(routes)
            },
            setDefaultRoutes(routes) {
                this.defaultRoutes = constantRoutes.concat(routes)
            },
            setTopbarRoutes(routes) {
                this.topbarRouters = routes
            },
            setSidebarRouters(routes) {
                this.sidebarRouters = routes
            },
            generateRoutes(roles) {
                return new Promise(resolve => {
                    let data = [
                        /*{
                            "name": "Monitor",
                            "path": "/monitor",
                            "hidden": false,
                            "redirect": "noRedirect",
                            "component": "Layout",
                            "alwaysShow": true,
                            "meta": {
                                "title": "系统监控",
                                "icon": "monitor",
                                "noCache": false,
                                "link": null
                            },
                            "children": [
                                {
                                    "name": "Online",
                                    "path": "online",
                                    "hidden": false,
                                    "component": "monitor/online/index",
                                    "meta": {
                                        "title": "在线用户",
                                        "icon": "online",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Job",
                                    "path": "job",
                                    "hidden": false,
                                    "component": "monitor/job/index",
                                    "meta": {
                                        "title": "定时任务",
                                        "icon": "job",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Druid",
                                    "path": "druid",
                                    "hidden": false,
                                    "component": "monitor/druid/index",
                                    "meta": {
                                        "title": "数据监控",
                                        "icon": "druid",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Server",
                                    "path": "server",
                                    "hidden": false,
                                    "component": "monitor/server/index",
                                    "meta": {
                                        "title": "服务监控",
                                        "icon": "server",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Cache",
                                    "path": "cache",
                                    "hidden": false,
                                    "component": "monitor/cache/index",
                                    "meta": {
                                        "title": "缓存监控",
                                        "icon": "redis",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "CacheList",
                                    "path": "cacheList",
                                    "hidden": false,
                                    "component": "monitor/cache/list",
                                    "meta": {
                                        "title": "缓存列表",
                                        "icon": "redis-list",
                                        "noCache": false,
                                        "link": null
                                    }
                                }
                            ]
                        },
                        {
                            "name": "Tool",
                            "path": "/tool",
                            "hidden": false,
                            "redirect": "noRedirect",
                            "component": "Layout",
                            "alwaysShow": true,
                            "meta": {
                                "title": "系统工具",
                                "icon": "tool",
                                "noCache": false,
                                "link": null
                            },
                            "children": [
                                {
                                    "name": "Build",
                                    "path": "build",
                                    "hidden": false,
                                    "component": "tool/build/index",
                                    "meta": {
                                        "title": "表单构建",
                                        "icon": "build",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Gen",
                                    "path": "gen",
                                    "hidden": false,
                                    "component": "tool/gen/index",
                                    "meta": {
                                        "title": "代码生成",
                                        "icon": "code",
                                        "noCache": false,
                                        "link": null
                                    }
                                },
                                {
                                    "name": "Swagger",
                                    "path": "swagger",
                                    "hidden": false,
                                    "component": "tool/swagger/index",
                                    "meta": {
                                        "title": "系统接口",
                                        "icon": "swagger",
                                        "noCache": false,
                                        "link": null
                                    }
                                }
                            ]
                        }*/
                    ]
                    // 向后端请求路由数据
                    // getRouters().then(res => {
                    const sdata = JSON.parse(JSON.stringify(data))
                    const rdata = JSON.parse(JSON.stringify(data))
                    const defaultData = JSON.parse(JSON.stringify(data))
                    const sidebarRoutes = filterAsyncRouter(sdata)
                    const rewriteRoutes = filterAsyncRouter(rdata, false, true)
                    const defaultRoutes = filterAsyncRouter(defaultData)
                    const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
                    asyncRoutes.forEach(route => {
                        router.addRoute(route)
                    })
                    this.setRoutes(rewriteRoutes)
                    this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
                    this.setDefaultRoutes(sidebarRoutes)
                    this.setTopbarRoutes(defaultRoutes)
                    resolve(rewriteRoutes)
                    // })
                })
            }
        }
    })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
    return asyncRouterMap.filter(route => {
        if (type && route.children) {
            route.children = filterChildren(route.children)
        }
        if (route.component) {
            // Layout ParentView 组件特殊处理
            if (route.component === 'Layout') {
                route.component = Layout
            } else if (route.component === 'ParentView') {
                route.component = ParentView
            } else if (route.component === 'InnerLink') {
                route.component = InnerLink
            } else {
                route.component = loadView(route.component)
            }
        }
        if (route.children != null && route.children && route.children.length) {
            route.children = filterAsyncRouter(route.children, route, type)
        } else {
            delete route['children']
            delete route['redirect']
        }
        return true
    })
}

function filterChildren(childrenMap, lastRouter = false) {
    var children = []
    childrenMap.forEach(el => {
        el.path = lastRouter ? lastRouter.path + '/' + el.path : el.path
        if (el.children && el.children.length && el.component === 'ParentView') {
            children = children.concat(filterChildren(el.children, el))
        } else {
            children.push(el)
        }
    })
    return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
    const res = []
    routes.forEach(route => {
        if (route.permissions) {
            if (auth.hasPermiOr(route.permissions)) {
                res.push(route)
            }
        } else if (route.roles) {
            if (auth.hasRoleOr(route.roles)) {
                res.push(route)
            }
        }
    })
    return res
}

export const loadView = (view) => {
    let res
    for (const path in modules) {
        const dir = path.split('views/')[1].split('.vue')[0]
        if (dir === view) {
            res = () => modules[path]()
        }
    }
    return res
}

export default usePermissionStore
